A possible teleconnection mechanism of initiation of Emiliania huxleyi outbursts in the Bering Sea in 1998-2001 and 2018-2019

Dmitry Pozdnyakov; Svetlana Chepikova; Dmitry Kondrik

doi:10.1117/12.2573272

20 September 2020 A possible teleconnection mechanism of initiation of Emiliania huxleyi outbursts in the Bering Sea in 1998-2001 and 2018-2019

Dmitry Pozdnyakov, Svetlana Chepikova, Dmitry Kondrik

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Proceedings Volume 11534, Earth Resources and Environmental Remote Sensing/GIS Applications XI; 1153412 (2020) https://doi.org/10.1117/12.2573272
Event: SPIE Remote Sensing, 2020, Online Only

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Abstract

A coccolithophore Emiliania huxleyi is the most abundant calcifying algal species throughout the world’s oceans. As it is capable of significantly affect the marine surface biogeochemistry and carbon cycling between the atmosphere and ocean, its importance has both climatic and aquatic ecology dimensions. Blooms of this alga exhibit remarkable spatiotemporal variations and proved to be aquatic environment specific. Here we present our hypothesis regarding the origination of the intense blooms of this alga that occurred in the Bering Sea during 1997-2001, and further on in 2018- 2019. Our hypothesis relies on (a) the salient transport anomalies in the Bering Sea Slope Current, and the Alaska Stream, and the Near Strait throughflow that were documented elsewhere for the above period, (b) the retrieved spaceborne time series of statistical occurrences of NE&E horizontal directions of the geostrophic current at the east passes in the Aleutian arc, and the timings of the two latest El Niño events.

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Dmitry Pozdnyakov, Svetlana Chepikova, and Dmitry Kondrik "A possible teleconnection mechanism of initiation of Emiliania huxleyi outbursts in the Bering Sea in 1998-2001 and 2018-2019", Proc. SPIE 11534, Earth Resources and Environmental Remote Sensing/GIS Applications XI, 1153412 (20 September 2020); https://doi.org/10.1117/12.2573272

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